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Isolation Ward From ebony pucks to magic foil, mystical and controversial tweaks. |
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Isolation Ward From ebony pucks to magic foil, mystical and controversial tweaks. |
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In Reply to: RE: Oh, goodie, quantum dots! Now, we're getting somewhere. nt posted by geoffkait on May 25, 2011 at 05:59:28:
The 'dots' that I worked on making were Cadmium-Selanide, or CdSe with a Zinc Sulfide outer shell - none of the synthesis was done in the dark, and they did NOT photo bleach. The 655 dots were so efficient, that in large bottles of dots at high concentrations, they would be opaque, as then were absorbing so much of the light present.
What was requires were Air-free apparatus, and the synthesis was performed in a solvent at 300 degrees C. There were some fireworks with the original methods, as we were injecting dimethylcadmium into the hot solvent with dissolved selenium...A chemists' dream of lots of cool equipment and volatile chemicals...
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Follow Ups
- RE: Oh, goodie, quantum dots! Now, we're getting somewhere. nt - 6bq5 12:12:19 05/25/11 (1)
- RE: Oh, goodie, quantum dots! Now, we're getting somewhere. nt - geoffkait 09:59:16 05/27/11 (0)
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